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Illinois weather live forecast
Tomorrow's maximum temperature in Illinois is expected to be 63°F.
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Saturday
19th Apr
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Sunday
20th Apr
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Monday
21st Apr
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Tuesday
22nd Apr
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Wednesday
23rd Apr
5-day weather forecast updated at 04:00 on Saturday 19th April 2025 GMT
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The 5-day weather forecast for Illinois (Chicago) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.
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Below are temperatures expected today at popular countries, regions and places in Illinois. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.
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Illinois weather forecast by day
Below are the detailed weather forecasts for Illinois for the next 5 days. The forecasts shown are for Chicago and may not represent the whole of Illinois. Browse more destinations in Illinois to view more weather forecasts.
Illinois weather for Saturday 19th April 2025
Expect isolated thunderstorms in Illinois with a maximum temperature of 63°F, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a light breeze of 6 mph from the north.
- °F maximum temperature
- °F minimum temperature
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isolated thunderstorms
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- mph wind from N
Illinois weather for Sunday 20th April 2025
Expect mostly cloudy with light rain in Illinois with a maximum temperature of 54°F, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and a light breeze of 6 mph from the east.
- °F maximum temperature
- °F minimum temperature
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mostly cloudy with light rain
- hour of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- mph wind from E
Illinois weather for Monday 21st April 2025
Expect mostly cloudy with rain in Illinois with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 10 mph from the south-west.
- °F maximum temperature
- °F minimum temperature
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mostly cloudy with rain
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- mph wind from SW
Illinois weather for Tuesday 22nd April 2025
Expect scattered clouds in Illinois with a maximum temperature of 64°F, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 mph from the south-east.
- °F maximum temperature
- °F minimum temperature
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scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- °F wind chill
- mph wind from SE
Illinois weather for Wednesday 23rd April 2025
Expect scattered clouds in Illinois with a maximum temperature of 66°F, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the east.
- °F maximum temperature
- °F minimum temperature
-
scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- no heat & humidity
- mph wind from E
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Metric (°C) | Imperial (°F)
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